diff --git a/package.json b/package.json
index 00c9fab81..50aef0ab7 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "simple-git": "^1.65.0",
     "sinon": "^2.3.2",
     "style-loader": "^0.19.1",
-    "typescript": "^2.9.0-dev.20180421",
+    "typescript": "^2.9.0-dev.20180424",
     "url-loader": "^0.6.2",
     "val-loader": "^1.0.2",
     "vm-browserify": "~0.0.0",
diff --git a/yarn.lock b/yarn.lock
index 018c004a1..d8b363718 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4491,9 +4491,9 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@^2.9.0-dev.20180421:
-  version "2.9.0-dev.20180421"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.0-dev.20180421.tgz#b937b164ce73f833f2ed5c36571e238898b264ce"
+typescript@^2.9.0-dev.20180424:
+  version "2.9.0-dev.20180424"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.0-dev.20180424.tgz#07fab78bd174a3904a1c3e9391e3bd0b02d41746"
 
 ua-parser-js@^0.7.9:
   version "0.7.17"